My brother and I use the same network, brother join my world, so it show unable to join the world. Using mobile data can solve this bug, or vpn.
Youtube can see a lot of people have this problem
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me pc, brother phone

Thank you for your report!
We're tracking this issue in MCPE-36190, so this ticket is being resolved and linked as a duplicate.
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Hi, do you both play on the same devices (e.g. two laptops/PCs) or each of you uses a different one (PC and mobile/switch/PS/xbox)?
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